console.log(
    "1" + "2" + (3 + 4 + 5),
    "1" + "2" + (3 + 4) + "5",
    "1" + "2" + 3 + "4" + 5,
    "1" + "2" + 3 + "4" + "5",
    "1" + "2" + "3" + 4 + 5,
    "1" + "2" + "3" + 4 + "5",
    "1" + "2" + "3" + "4" + 5,
    "1" + "2" + "3" + "4" + "5"
);
